Cablor Replacement USB Charger Charging Cable for Fitbit Charge HR Band Wristband Wireless Activity Bracelet Sport Armband( 1m, 2 Pack, Black) Type: Charging Cable for Fitbit Charge HR Band Wristband Size: Small Band: Black Sport Band Compatibility: N/A OS Compatibility: Fitbit Charge HR Display Technology: Certification: FCC, RoHS. Support more than 1000 times repeated insertion-and-extraction test. The quality is guaranteed. Built-in Storage: Built-in Voltage Regulator(PTC) Package Content: 2 x 1m Charging Cables for Fitbit Charge HR